drm/amd/display: do not compare integers of different widths

[Why & How]
Increase width of some variables to avoid comparing integers of
different widths

Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Josip Pavic

drivers/gpu/drm/amd/display/dc/core/dc_link.c

@@ -821,7 +821,7 @@ static bool dc_link_detect_helper(struct dc_link *link,
 {
 	struct dc_sink_init_data sink_init_data = { 0 };
 	struct display_sink_capability sink_caps = { 0 };
-	uint8_t i;
+	uint32_t i;
 	bool converter_disable_audio = false;
 	struct audio_support *aud_support = &link->dc->res_pool->audio_support;
 	bool same_edid = false;

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

@@ -1768,7 +1768,7 @@ bool perform_link_training_with_retries(
 	enum signal_type signal,
 	bool do_fallback)
 {
-	uint8_t j;
+	int j;
 	uint8_t delay_between_attempts = LINK_TRAINING_RETRY_DELAY;
 	struct dc_stream_state *stream = pipe_ctx->stream;
 	struct dc_link *link = stream->link;
@@ -2307,7 +2307,7 @@ bool dp_verify_link_cap_with_retries(
 	struct dc_link_settings *known_limit_link_setting,
 	int attempts)
 {
-	uint8_t i = 0;
+	int i = 0;
 	bool success = false;
 
 	for (i = 0; i < attempts; i++) {